MPD: input/IcyInputStream.hxx Source File

MPD 0.20.15

IcyInputStream.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef MPD_ICY_INPUT_STREAM_HXX
21 #define MPD_ICY_INPUT_STREAM_HXX
22
23 #include "ProxyInputStream.hxx"
24 #include "IcyMetaDataParser.hxx"
25 #include "Compiler.h"
26
27 struct Tag;
28
32 class IcyInputStream final : public ProxyInputStream {
33 IcyMetaDataParser parser;
34
38 Tag *input_tag;
39
43 Tag *icy_tag;
44
45 offset_type override_offset;
46
47 public:
48 IcyInputStream(InputStream *_input);
49 virtual ~IcyInputStream();
50
51 IcyInputStream(const IcyInputStream &) = delete;
52 IcyInputStream &operator=(const IcyInputStream &) = delete;
53
54 void Enable(size_t _data_size) {
55 parser.Start(_data_size);
56 }
57
58 bool IsEnabled() const {
59 return parser.IsDefined();
60 }
61
62 /* virtual methods from InputStream */
63 void Update() override;
64 Tag *ReadTag() override;
65 size_t Read(void *ptr, size_t size) override;
66 };
67
68 #endif
Tag
The meta information about a song file.
Definition: Tag.hxx:34
IcyInputStream::ReadTag
Tag * ReadTag() override
Reads the tag from the stream.
IcyInputStream::Read
size_t Read(void *ptr, size_t size) override
Reads data from the stream into the caller-supplied buffer.
InputStream::offset_type
::offset_type offset_type
Definition: InputStream.hxx:38
InputStream
Definition: InputStream.hxx:36
InputStream::size
offset_type size
the size of the resource, or UNKNOWN_SIZE if unknown
Definition: InputStream.hxx:84
IcyInputStream::IcyInputStream
IcyInputStream(InputStream *_input)
IcyMetaDataParser.hxx
IcyInputStream
An InputStream filter that parses Icy metadata.
Definition: IcyInputStream.hxx:32
IcyInputStream::IsEnabled
bool IsEnabled() const
Definition: IcyInputStream.hxx:58
Compiler.h
IcyInputStream::Enable
void Enable(size_t _data_size)
Definition: IcyInputStream.hxx:54
ProxyInputStream
An InputStream that forwards all methods call to another InputStream instance.
Definition: ProxyInputStream.hxx:32
IcyInputStream::operator=
IcyInputStream & operator=(const IcyInputStream &)=delete
IcyInputStream::Update
void Update() override
Update the public attributes.
IcyMetaDataParser
Definition: IcyMetaDataParser.hxx:27
ProxyInputStream.hxx
IcyInputStream::~IcyInputStream
virtual ~IcyInputStream()